-extern int JX,JY, JX2,JY2, ZX,ZY, ExitX,ExitY;
-extern int PlayerMovDir, PlayerMovPos, PlayerFrame, PlayerPushing;
+extern int FX,FY, ScreenMovPos, ScrollStepSize;
+extern int GameSpeed, MoveSpeed;
+extern int BX1,BY1, BX2,BY2;
+extern int JX,JY, lastJX,lastJY, ZX,ZY, ExitX,ExitY;
+extern int PlayerMovDir, PlayerMovPos, PlayerPushing;
+extern int PlayerFrame, PlayerGfxPos;